CN110374596B - 等离子体h式消减厚硬顶板及遗留煤柱复合强矿压的方法 - Google Patents
等离子体h式消减厚硬顶板及遗留煤柱复合强矿压的方法 Download PDFInfo
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- CN110374596B CN110374596B CN201910512069.5A CN201910512069A CN110374596B CN 110374596 B CN110374596 B CN 110374596B CN 201910512069 A CN201910512069 A CN 201910512069A CN 110374596 B CN110374596 B CN 110374596B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/12—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/18—Other methods or devices for dislodging with or without loading by electricity
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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CN201910512069.5A CN110374596B (zh) | 2019-06-13 | 2019-06-13 | 等离子体h式消减厚硬顶板及遗留煤柱复合强矿压的方法 |
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CN201910512069.5A CN110374596B (zh) | 2019-06-13 | 2019-06-13 | 等离子体h式消减厚硬顶板及遗留煤柱复合强矿压的方法 |
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CN110374596A CN110374596A (zh) | 2019-10-25 |
CN110374596B true CN110374596B (zh) | 2020-12-25 |
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CN112903465B (zh) * | 2021-02-04 | 2022-06-14 | 太原理工大学 | 一种倾斜采空区单排群柱双轴承载能力的测试装置与方法 |
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US9284805B2 (en) * | 2014-01-24 | 2016-03-15 | Ooo “Novas Sk” | Method for applying physical fields of an apparatus in the horizontal end of an inclined well to productive hydrocarbon beds |
US9890628B2 (en) * | 2014-04-03 | 2018-02-13 | Green Science Co. Ltd. | Fracturing device using shockwave of plasma reaction and method for extracting shale gas using same |
CN104061014B (zh) * | 2014-07-07 | 2016-03-02 | 太原理工大学 | 一种基于高压电脉冲的煤层增透实验装置 |
CN106285608A (zh) * | 2016-10-28 | 2017-01-04 | 中国矿业大学 | 一种煤层气井脉冲爆震致裂增渗方法 |
CN106761641B (zh) * | 2016-12-06 | 2020-01-03 | 中国矿业大学 | 一种煤体电脉冲致裂增渗实验系统及方法 |
CN206545484U (zh) * | 2017-03-17 | 2017-10-10 | 吉林大学 | 一种高压脉冲动力锤钻具 |
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